Gr9: Exit Ticket L9.4 # 3
What are the solutions of the equation 2x2 = 18 3 -3, 3 2√3 , -2√3 6√2 . -6√2 What mathematical process did they use? Quadratic Formula Completing the Square Factoring square root property In the equationy = x2 +5x +7, match each leading coefficient with its correct letter a=0, b=5, c=7 a=1, b=5, c=7 a=7, b=5, c=1 Solve the following quadratic equation...x2- 3x + 2 = 0 x = -1x = -2 x = -1x = 2 x = 1x = 2 x = 1x = 2 Solve the equation( 2x - 12 ) ( x + 9 ) = 0 Solve the following quadratic equation.( show your work)x2 + 9x + 20 = 0